./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-25 12:02:15,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-25 12:02:15,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-25 12:02:15,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-25 12:02:15,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-25 12:02:15,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-25 12:02:15,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-25 12:02:15,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-25 12:02:15,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-25 12:02:15,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-25 12:02:15,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-25 12:02:15,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-25 12:02:15,951 INFO L153 SettingsManager]: * Use SBE=true [2024-10-25 12:02:15,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-25 12:02:15,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-25 12:02:15,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-25 12:02:15,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-25 12:02:15,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-25 12:02:15,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-25 12:02:15,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-25 12:02:15,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-25 12:02:15,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-25 12:02:15,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-25 12:02:15,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-25 12:02:15,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-25 12:02:15,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-25 12:02:15,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-25 12:02:15,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-25 12:02:15,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-25 12:02:15,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-25 12:02:15,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 12:02:15,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-25 12:02:15,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-25 12:02:15,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-25 12:02:15,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-25 12:02:15,959 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-25 12:02:15,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-25 12:02:15,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-25 12:02:15,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-25 12:02:15,960 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-25 12:02:15,961 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-25 12:02:15,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2024-10-25 12:02:16,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-25 12:02:16,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-25 12:02:16,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-25 12:02:16,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-25 12:02:16,204 INFO L274 PluginConnector]: CDTParser initialized [2024-10-25 12:02:16,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-10-25 12:02:17,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-25 12:02:17,825 INFO L384 CDTParser]: Found 1 translation units. [2024-10-25 12:02:17,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-10-25 12:02:17,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2d9a189e7/da81ce8a5ba64ed2854f518f1b5f6cf1/FLAGd24c81a65 [2024-10-25 12:02:17,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2d9a189e7/da81ce8a5ba64ed2854f518f1b5f6cf1 [2024-10-25 12:02:17,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-25 12:02:17,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-25 12:02:17,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-25 12:02:17,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-25 12:02:17,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-25 12:02:17,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:02:17" (1/1) ... [2024-10-25 12:02:17,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2770c852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:17, skipping insertion in model container [2024-10-25 12:02:17,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:02:17" (1/1) ... [2024-10-25 12:02:17,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-25 12:02:18,190 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2024-10-25 12:02:18,194 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2024-10-25 12:02:18,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 12:02:18,221 INFO L200 MainTranslator]: Completed pre-run [2024-10-25 12:02:18,265 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2024-10-25 12:02:18,269 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2024-10-25 12:02:18,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 12:02:18,301 INFO L204 MainTranslator]: Completed translation [2024-10-25 12:02:18,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18 WrapperNode [2024-10-25 12:02:18,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-25 12:02:18,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-25 12:02:18,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-25 12:02:18,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-25 12:02:18,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,342 INFO L138 Inliner]: procedures = 169, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2024-10-25 12:02:18,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-25 12:02:18,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-25 12:02:18,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-25 12:02:18,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-25 12:02:18,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-25 12:02:18,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-25 12:02:18,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-25 12:02:18,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-25 12:02:18,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (1/1) ... [2024-10-25 12:02:18,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 12:02:18,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 12:02:18,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-25 12:02:18,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-25 12:02:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-10-25 12:02:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-10-25 12:02:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-10-25 12:02:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-10-25 12:02:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-25 12:02:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-25 12:02:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-25 12:02:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-25 12:02:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-25 12:02:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-25 12:02:18,457 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-25 12:02:18,562 INFO L238 CfgBuilder]: Building ICFG [2024-10-25 12:02:18,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-25 12:02:18,712 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-25 12:02:18,713 INFO L287 CfgBuilder]: Performing block encoding [2024-10-25 12:02:18,848 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-25 12:02:18,848 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-25 12:02:18,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:02:18 BoogieIcfgContainer [2024-10-25 12:02:18,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-25 12:02:18,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-25 12:02:18,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-25 12:02:18,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-25 12:02:18,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:02:17" (1/3) ... [2024-10-25 12:02:18,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469a8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:02:18, skipping insertion in model container [2024-10-25 12:02:18,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:02:18" (2/3) ... [2024-10-25 12:02:18,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4469a8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:02:18, skipping insertion in model container [2024-10-25 12:02:18,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:02:18" (3/3) ... [2024-10-25 12:02:18,859 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-10-25 12:02:18,875 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-25 12:02:18,875 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-25 12:02:18,876 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-25 12:02:18,928 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-25 12:02:18,966 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 12:02:18,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 12:02:18,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 12:02:18,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 12:02:18,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-25 12:02:19,005 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 12:02:19,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == de_allocatorThread1of1ForFork0 ======== [2024-10-25 12:02:19,022 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c68460f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 12:02:19,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-25 12:02:19,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:19,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:19,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1469518908, now seen corresponding path program 1 times [2024-10-25 12:02:19,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:19,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649274206] [2024-10-25 12:02:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:19,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:19,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649274206] [2024-10-25 12:02:19,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649274206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:19,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:19,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 12:02:19,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660953270] [2024-10-25 12:02:19,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:19,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:19,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:19,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:19,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:19,705 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:19,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:19,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:19,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:19,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-25 12:02:19,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:19,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:19,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1246546136, now seen corresponding path program 1 times [2024-10-25 12:02:19,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:19,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220605238] [2024-10-25 12:02:19,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:19,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:19,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:19,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220605238] [2024-10-25 12:02:19,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220605238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:19,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:19,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 12:02:19,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500326509] [2024-10-25 12:02:19,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:19,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:19,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:19,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:19,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:19,888 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:19,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:19,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-25 12:02:20,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:20,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:20,168 INFO L85 PathProgramCache]: Analyzing trace with hash -385073378, now seen corresponding path program 2 times [2024-10-25 12:02:20,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:20,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287729055] [2024-10-25 12:02:20,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:20,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:20,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:20,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287729055] [2024-10-25 12:02:20,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287729055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:20,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:20,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 12:02:20,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335750390] [2024-10-25 12:02:20,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:20,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:20,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:20,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:20,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,328 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:20,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-25 12:02:20,394 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:20,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash -27592675, now seen corresponding path program 1 times [2024-10-25 12:02:20,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:20,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718262636] [2024-10-25 12:02:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:20,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:20,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718262636] [2024-10-25 12:02:20,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718262636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:20,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:20,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 12:02:20,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104751653] [2024-10-25 12:02:20,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:20,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:20,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:20,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:20,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:20,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-25 12:02:20,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:20,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:20,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1132604541, now seen corresponding path program 1 times [2024-10-25 12:02:20,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:20,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524794547] [2024-10-25 12:02:20,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:20,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:20,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:20,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524794547] [2024-10-25 12:02:20,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524794547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:20,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:20,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 12:02:20,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143508020] [2024-10-25 12:02:20,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:20,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:20,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:20,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:20,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,592 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:20,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:20,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-25 12:02:20,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-25 12:02:20,693 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-10-25 12:02:20,696 INFO L312 ceAbstractionStarter]: Result for error location de_allocatorThread1of1ForFork0 was SAFE (1/3) [2024-10-25 12:02:20,700 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 12:02:20,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 12:02:20,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 12:02:20,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 12:02:20,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-25 12:02:20,730 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 12:02:20,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-25 12:02:20,733 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c68460f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 12:02:20,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-25 12:02:21,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-25 12:02:21,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-25 12:02:21,018 INFO L407 BasicCegarLoop]: Path program histogram: [] [2024-10-25 12:02:21,021 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2024-10-25 12:02:21,023 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 12:02:21,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 12:02:21,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 12:02:21,027 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 12:02:21,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-25 12:02:21,038 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 12:02:21,038 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == allocatorThread1of1ForFork1 ======== [2024-10-25 12:02:21,039 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c68460f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 12:02:21,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-25 12:02:21,255 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:21,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1860759740, now seen corresponding path program 1 times [2024-10-25 12:02:21,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:21,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955661598] [2024-10-25 12:02:21,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:21,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:21,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:21,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955661598] [2024-10-25 12:02:21,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955661598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:21,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:21,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 12:02:21,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123237194] [2024-10-25 12:02:21,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:21,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:21,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:21,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:21,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:21,287 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:21,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:21,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-25 12:02:21,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:21,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:21,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1221356551, now seen corresponding path program 1 times [2024-10-25 12:02:21,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:21,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48570925] [2024-10-25 12:02:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:21,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:21,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:21,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48570925] [2024-10-25 12:02:21,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48570925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:21,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:21,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-25 12:02:21,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451878757] [2024-10-25 12:02:21,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:21,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:21,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:21,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:21,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:21,478 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:21,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:21,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-25 12:02:21,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-25 12:02:21,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 12:02:21,627 INFO L85 PathProgramCache]: Analyzing trace with hash 668320446, now seen corresponding path program 1 times [2024-10-25 12:02:21,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 12:02:21,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552202609] [2024-10-25 12:02:21,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 12:02:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 12:02:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 12:02:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 12:02:21,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 12:02:21,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552202609] [2024-10-25 12:02:21,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552202609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 12:02:21,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 12:02:21,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 12:02:21,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455417144] [2024-10-25 12:02:21,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 12:02:21,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 12:02:21,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 12:02:21,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 12:02:21,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 12:02:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:21,657 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 12:02:21,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-25 12:02:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 12:02:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 12:02:21,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-25 12:02:21,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-25 12:02:21,738 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-25 12:02:21,738 INFO L312 ceAbstractionStarter]: Result for error location allocatorThread1of1ForFork1 was SAFE (3/3) [2024-10-25 12:02:21,738 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-25 12:02:21,738 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-25 12:02:21,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:02:21 BasicIcfg [2024-10-25 12:02:21,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-25 12:02:21,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-25 12:02:21,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-25 12:02:21,742 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-25 12:02:21,742 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:02:18" (3/4) ... [2024-10-25 12:02:21,743 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-25 12:02:21,745 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2024-10-25 12:02:21,745 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2024-10-25 12:02:21,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-10-25 12:02:21,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-25 12:02:21,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-25 12:02:21,749 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-25 12:02:21,822 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-25 12:02:21,823 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-25 12:02:21,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-25 12:02:21,823 INFO L158 Benchmark]: Toolchain (without parser) took 3969.33ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 84.7MB in the beginning and 104.3MB in the end (delta: -19.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-10-25 12:02:21,823 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-25 12:02:21,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.36ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 115.8MB in the end (delta: -31.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-10-25 12:02:21,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.14ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 114.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-25 12:02:21,824 INFO L158 Benchmark]: Boogie Preprocessor took 22.42ms. Allocated memory is still 155.2MB. Free memory was 114.4MB in the beginning and 113.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-25 12:02:21,824 INFO L158 Benchmark]: RCFGBuilder took 483.86ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 83.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-25 12:02:21,825 INFO L158 Benchmark]: TraceAbstraction took 2889.19ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 82.9MB in the beginning and 108.5MB in the end (delta: -25.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-10-25 12:02:21,825 INFO L158 Benchmark]: Witness Printer took 81.40ms. Allocated memory is still 209.7MB. Free memory was 108.5MB in the beginning and 104.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-25 12:02:21,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.36ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 115.8MB in the end (delta: -31.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.14ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 114.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.42ms. Allocated memory is still 155.2MB. Free memory was 114.4MB in the beginning and 113.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.86ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 83.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2889.19ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 82.9MB in the beginning and 108.5MB in the end (delta: -25.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 81.40ms. Allocated memory is still 209.7MB. Free memory was 108.5MB in the beginning and 104.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 55, dependent conditional: 39, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 40, dependent conditional: 24, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 611, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 322, dependent conditional: 16, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1372, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 568, unknown conditional: 1, unknown unconditional: 567] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 805, Maximal queried relation: 2, Independence queries for same thread: 30, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 105, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 566, independent: 550, independent conditional: 0, independent unconditional: 550, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 55, dependent conditional: 39, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1357, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 25, dependent conditional: 9, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 782, independent unconditional: 550, dependent: 40, dependent conditional: 24, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1372, independent: 1332, independent conditional: 0, independent unconditional: 1332, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 611, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 322, dependent conditional: 16, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1372, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 568, unknown conditional: 1, unknown unconditional: 567] , Statistics on independence cache: Total cache size (in pairs): 568, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 805, Maximal queried relation: 2, Independence queries for same thread: 30 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 355, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 336, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 336, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 92, independent conditional: 0, independent unconditional: 92, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 352, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 336, unknown conditional: 0, unknown unconditional: 336] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 327, Positive conditional cache size: 0, Positive unconditional cache size: 327, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 0, Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 32, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 336, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 355, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 16, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 352, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 336, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 336, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 92, independent conditional: 0, independent unconditional: 92, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 352, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 336, unknown conditional: 0, unknown unconditional: 336] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 327, Positive conditional cache size: 0, Positive unconditional cache size: 327, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1088, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 40, dependent conditional: 23, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 531, independent conditional: 0, independent unconditional: 531, dependent: 18, dependent conditional: 1, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 519, independent conditional: 0, independent unconditional: 519, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 1, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 1, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 258, dependent conditional: 9, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1073, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 549, unknown conditional: 1, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 549, Positive cache size: 531, Positive conditional cache size: 0, Positive unconditional cache size: 531, Negative cache size: 18, Negative conditional cache size: 1, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 524, Maximal queried relation: 2, Independence queries for same thread: 27, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 70, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 547, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1088, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1061, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 28, dependent conditional: 11, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 503, independent unconditional: 530, dependent: 40, dependent conditional: 23, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1073, independent: 1033, independent conditional: 0, independent unconditional: 1033, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 531, independent conditional: 0, independent unconditional: 531, dependent: 18, dependent conditional: 1, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 519, independent conditional: 0, independent unconditional: 519, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 1, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 18, dependent conditional: 1, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 258, dependent conditional: 9, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1073, independent: 502, independent conditional: 0, independent unconditional: 502, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 549, unknown conditional: 1, unknown unconditional: 548] , Statistics on independence cache: Total cache size (in pairs): 549, Positive cache size: 531, Positive conditional cache size: 0, Positive unconditional cache size: 531, Negative cache size: 18, Negative conditional cache size: 1, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 524, Maximal queried relation: 2, Independence queries for same thread: 27 - PositiveResult [Line: 710]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 702]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: de_allocatorThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: allocatorThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 61 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-25 12:02:21,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-10-25 12:02:22,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-10-25 12:02:22,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-25 12:02:22,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE